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https://www.readbyqxmd.com/read/29069550/is-there-merit-in-merit-aid
#1
Roy C Ziegelstein, Charles G Prober, Lloyd B Minor, George Q Daley, Paul B Rothman, Edward M Hundert
In 2016, the average cost of attending medical school (including tuition and fees) in the United States was $253,720 for in-state graduates and $313,897 for out-of-state graduates. Nearly three in four graduates had educational debt, and the median educational debt was $190,000. Average debt..
October 25, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29030101/genome-wide-association-study-and-meta-analysis-in-multiple-populations-identifies-new-loci-for-peanut-allergy-and-establishes-c11orf30-emsy-as-a-genetic-risk-factor-for-food-allergy
#2
Yuka Asai, Aida Eslami, C Dorien van Ginkel, Loubna Akhabir, Ming Wan, George Ellis, Moshe Ben-Shoshan, David Martino, Manuel A Ferreira, Katrina Allen, Bruce Mazer, Hans de Groot, Nicolette W de Jong, Roy N Gerth van Wijk, Anthony E J Dubois, Rick Chin, Steven Cheuk, Joshua Hoffman, Eric Jorgensen, John S Witte, Ronald B Melles, Xiumei Hong, Xiaobin Wang, Jennie Hui, Arthur W Bill Musk, Michael Hunter, Alan L James, Gerard H Koppelman, Andrew J Sandford, Ann E Clarke, Denise Daley
BACKGROUND: Peanut allergy (PA) is a complex disease with both environmental and genetic risk factors. Previously PA loci were identified in FLG and HLA in candidate gene studies, and loci in HLA in a genome-wide association study and meta-analysis. OBJECTIVE: To investigate genetic susceptibility to PA. METHODS: Eight hundred and fifty cases and 926 hyper-controls and >7.8 million genotyped and imputed single nucleotide polymorphisms (SNPs) were analyzed in a genome-wide association study to identify susceptibility variants for PA in the Canadian population...
October 10, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28928278/an-interview-with-george-daley
#3
Aidan Maartens
George Daley is Dean of the Faculty of Medicine, Professor of Biological Chemistry and Molecular Pharmacology, and Caroline Shields Walker Professor of Medicine at Harvard Medical School. A former Howard Hughes Medical Institute Investigator and President of the International Society for Stem Cell Research (ISSCR) from 2007-2008, his lab works on the biology and clinical application of stem cells, with a particular focus on hematopoiesis. He was awarded the Public Service Award at the ISSCR 2017 meeting in Boston, where we caught up with him to discuss his move from the lab to the clinic and back again, his quest to derive human hematopoietic stem cells in vitro, and his advocacy for science in uncertain political times...
September 15, 2017: Development
https://www.readbyqxmd.com/read/28686862/making-hscs-on-demand-looking-ahead
#4
(no author information available yet)
George Daley and Shahin Rafii's groups recently generated multilineage, serially engrafting hematopoietic stem cells (HSCs) from human pluripotent stem cells and endothelial cells, respectively, achieving an important research milestone for the field. We asked some experts in the field to reflect on the broader implications of these findings.
July 6, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28619647/using-crispr-cas9-to-generate-gene-corrected-autologous-ipscs-for-the-treatment-of-inherited-retinal-degeneration
#5
Erin R Burnight, Manav Gupta, Luke A Wiley, Kristin R Anfinson, Audrey Tran, Robinson Triboulet, Jeremy M Hoffmann, Darcey L Klaahsen, Jeaneen L Andorf, Chunhua Jiao, Elliott H Sohn, Malavika K Adur, Jason W Ross, Robert F Mullins, George Q Daley, Thorsten M Schlaeger, Edwin M Stone, Budd A Tucker
Patient-derived induced pluripotent stem cells (iPSCs) hold great promise for autologous cell replacement. However, for many inherited diseases, treatment will likely require genetic repair pre-transplantation. Genome editing technologies are useful for this application. The purpose of this study was to develop CRISPR-Cas9-mediated genome editing strategies to target and correct the three most common types of disease-causing variants in patient-derived iPSCs: (1) exonic, (2) deep intronic, and (3) dominant gain of function...
September 6, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28531208/phylogenetic-analysis-of-emergent-streptococcus-pneumoniae-serotype-22f-causing-invasive-pneumococcal-disease-using-whole-genome-sequencing
#6
Walter H B Demczuk, Irene Martin, Linda Hoang, Paul Van Caeseele, Brigitte Lefebvre, Greg Horsman, David Haldane, Jonathan Gubbay, Sam Ratnam, Gregory German, Jennifer Daley Bernier, Lori Strudwick, Allison McGeer, George G Zhanel, Gary Van Domselaar, Morag Graham, Michael R Mulvey
Since implementation of the 13-valent polyvalent conjugate vaccine (PCV13) in Canada during 2010, the proportion of PCV13 serotypes causing invasive pneumococcal disease (IPD) has declined from 55% (n = 1492) in 2010 to 31% (n = 764) in 2014. A concurrent increase of non-PCV13 serotypes has occurred and 22F has become the most prevalent serotype in Canada increasing from 7% (n = 183) to 11% (n = 283). Core single nucleotide variant phylogenetic analysis was performed on 137 Streptococcus pneumoniae serotype 22F isolates collected across Canada from 2005-2015...
2017: PloS One
https://www.readbyqxmd.com/read/28514439/haematopoietic-stem-and-progenitor-cells-from-human-pluripotent-stem-cells
#7
Ryohichi Sugimura, Deepak Kumar Jha, Areum Han, Clara Soria-Valles, Edroaldo Lummertz da Rocha, Yi-Fen Lu, Jeremy A Goettel, Erik Serrao, R Grant Rowe, Mohan Malleshaiah, Irene Wong, Patricia Sousa, Ted N Zhu, Andrea Ditadi, Gordon Keller, Alan N Engelman, Scott B Snapper, Sergei Doulatov, George Q Daley
A variety of tissue lineages can be differentiated from pluripotent stem cells by mimicking embryonic development through stepwise exposure to morphogens, or by conversion of one differentiated cell type into another by enforced expression of master transcription factors. Here, to yield functional human haematopoietic stem cells, we perform morphogen-directed differentiation of human pluripotent stem cells into haemogenic endothelium followed by screening of 26 candidate haematopoietic stem-cell-specifying transcription factors for their capacity to promote multi-lineage haematopoietic engraftment in mouse hosts...
May 25, 2017: Nature
https://www.readbyqxmd.com/read/28442553/nlrp3-signaling-drives-macrophage-induced-adaptive-immune-suppression-in-pancreatic-carcinoma
#8
Donnele Daley, Vishnu R Mani, Navyatha Mohan, Neha Akkad, Gautam S D Balasubramania Pandian, Shivraj Savadkar, Ki Buom Lee, Alejandro Torres-Hernandez, Berk Aykut, Brian Diskin, Wei Wang, Mohammad S Farooq, Arif I Mahmud, Gregor Werba, Eduardo J Morales, Sarah Lall, Benjamin J Wadowski, Amanda G Rubin, Matthew E Berman, Rajkishen Narayanan, Mautin Hundeyin, George Miller
The tumor microenvironment (TME) in pancreatic ductal adenocarcinoma (PDA) is characterized by immune tolerance, which enables disease to progress unabated by adaptive immunity. However, the drivers of this tolerogenic program are incompletely defined. In this study, we found that NLRP3 promotes expansion of immune-suppressive macrophages in PDA. NLRP3 signaling in macrophages drives the differentiation of CD4(+) T cells into tumor-promoting T helper type 2 cell (Th2 cell), Th17 cell, and regulatory T cell populations while suppressing Th1 cell polarization and cytotoxic CD8(+) T cell activation...
June 5, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28429768/reassembling-embryos-in-vitro-from-component-stem-cells
#9
Caroline Kubaczka, George Q Daley
Researchers at the University of Cambridge, UK have succeeded in reconstructing mouse embryos by combining pluripotent embryonic and multipotent trophoblast stem cells in a 3D scaffold; the study from the laboratory of Professor Zernicka-Goetz, recently published in Science, provides a break-through tool to probe early mammalian development outside the uterus. Achieving a similar feat with human cells might necessitate reconsideration of the 14-day rule as a limitation of such research.
August 2017: Cell Research
https://www.readbyqxmd.com/read/28394331/dectin-1-activation-on-macrophages-by-galectin-9-promotes-pancreatic-carcinoma-and-peritumoral-immune-tolerance
#10
Donnele Daley, Vishnu R Mani, Navyatha Mohan, Neha Akkad, Atsuo Ochi, Daniel W Heindel, Ki Buom Lee, Constantinos P Zambirinis, Gautam Sd Balasubramania Pandian, Shivraj Savadkar, Alejandro Torres-Hernandez, Shruti Nayak, Ding Wang, Mautin Hundeyin, Brian Diskin, Berk Aykut, Gregor Werba, Rocky M Barilla, Robert Rodriguez, Steven Chang, Lawrence Gardner, Lara K Mahal, Beatrix Ueberheide, George Miller
The progression of pancreatic oncogenesis requires immune-suppressive inflammation in cooperation with oncogenic mutations. However, the drivers of intratumoral immune tolerance are uncertain. Dectin 1 is an innate immune receptor crucial for anti-fungal immunity, but its role in sterile inflammation and oncogenesis has not been well defined. Furthermore, non-pathogen-derived ligands for dectin 1 have not been characterized. We found that dectin 1 is highly expressed on macrophages in pancreatic ductal adenocarcinoma (PDA)...
May 2017: Nature Medicine
https://www.readbyqxmd.com/read/28350984/autophagy-it-s-in-your-blood
#11
COMMENT
Sergei Doulatov, George Q Daley
Autophagy, a central pathway for cellular homeostasis, plays diverse roles in development, cancer, aging, and neurodegeneration. In a new report in Nature, Ho et al. (2017) show that autophagy is essential for maintaining the replicative quiescence of hematopoietic stem cells throughout life by limiting the number of active mitochondria.
March 27, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28345379/the-role-of-%C3%AE-%C3%AE-t-cells-in-pancreatic-cancer-what-could-this-mean-for-the-clinic
#12
Donnele Daley, George Miller
No abstract text is available yet for this article.
April 11, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28296612/polar-extremes-in-the-clinical-use-of-stem-cells
#13
George Q Daley
The U.S. biotechnology and pharmaceutical industries arguably lead the world in innovation while operating under stringent regulations set by the Food and Drug Administration (FDA). Although flexible pathways exist to accelerate the development or approval of treatments for serious illnesses or..
March 16, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28272977/signaling-through-rna-binding-proteins-as-a-cell-fate-regulatory-mechanism
#14
Kaloyan M Tsanov, George Q Daley
No abstract text is available yet for this article.
April 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28179501/drug-discovery-for-diamond-blackfan-anemia-using-reprogrammed-hematopoietic-progenitors
#15
Sergei Doulatov, Linda T Vo, Elizabeth R Macari, Lara Wahlster, Melissa A Kinney, Alison M Taylor, Jessica Barragan, Manav Gupta, Katherine McGrath, Hsiang-Ying Lee, Jessica M Humphries, Alex DeVine, Anupama Narla, Blanche P Alter, Alan H Beggs, Suneet Agarwal, Benjamin L Ebert, Hanna T Gazda, Harvey F Lodish, Colin A Sieff, Thorsten M Schlaeger, Leonard I Zon, George Q Daley
Diamond-Blackfan anemia (DBA) is a congenital disorder characterized by the failure of erythroid progenitor differentiation, severely curtailing red blood cell production. Because many DBA patients fail to respond to corticosteroid therapy, there is considerable need for therapeutics for this disorder. Identifying therapeutics for DBA requires circumventing the paucity of primary patient blood stem and progenitor cells. To this end, we adopted a reprogramming strategy to generate expandable hematopoietic progenitor cells from induced pluripotent stem cells (iPSCs) from DBA patients...
February 8, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28077678/disruptive-reproductive-technologies
#16
REVIEW
I Glenn Cohen, George Q Daley, Eli Y Adashi
In vitro gametogenesis raises new possibilities for reproductive and regenerative medicine as well as vexing policy challenges.
January 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28009288/engineered-murine-hscs-reconstitute-multi-lineage-hematopoiesis-and-adaptive-immunity
#17
Yi-Fen Lu, Patrick Cahan, Samantha Ross, Julie Sahalie, Patricia M Sousa, Brandon K Hadland, Wenqing Cai, Erik Serrao, Alan N Engelman, Irwin D Bernstein, George Q Daley
Hematopoietic stem cell (HSC) transplantation is curative for malignant and genetic blood disorders, but is limited by donor availability and immune-mismatch. Deriving HSCs from patient-matched embryonic/induced-pluripotent stem cells (ESCs/iPSCs) could address these limitations. Prior efforts in murine models exploited ectopic HoxB4 expression to drive self-renewal and enable multi-lineage reconstitution, yet fell short in delivering robust lymphoid engraftment. Here, by titrating exposure of HoxB4-ESC-HSC to Notch ligands, we report derivation of engineered HSCs that self-renew, repopulate multi-lineage hematopoiesis in primary and secondary engrafted mice, and endow adaptive immunity in immune-deficient recipients...
December 20, 2016: Cell Reports
https://www.readbyqxmd.com/read/27992407/lin28-phosphorylation-by-mapk-erk-couples-signalling-to-the-post-transcriptional-control-of%C3%A2-pluripotency
#18
Kaloyan M Tsanov, Daniel S Pearson, Zhaoting Wu, Areum Han, Robinson Triboulet, Marc T Seligson, John T Powers, Jihan K Osborne, Susan Kane, Steven P Gygi, Richard I Gregory, George Q Daley
Signalling and post-transcriptional gene control are both critical for the regulation of pluripotency, yet how they are integrated to influence cell identity remains poorly understood. LIN28 (also known as LIN28A), a highly conserved RNA-binding protein, has emerged as a central post-transcriptional regulator of cell fate through blockade of let-7 microRNA biogenesis and direct modulation of mRNA translation. Here we show that LIN28 is phosphorylated by MAPK/ERK in pluripotent stem cells, which increases its levels via post-translational stabilization...
January 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/27974805/stem-cells-valine-starvation-leads-to-a-hungry-niche
#19
COMMENT
R Grant Rowe, George Q Daley
No abstract text is available yet for this article.
January 12, 2017: Nature
https://www.readbyqxmd.com/read/27777239/tgf-%C3%AE-inhibitors-stimulate-red-blood-cell-production-by-enhancing-self-renewal-of-bfu-e-erythroid-progenitors
#20
Xiaofei Gao, Hsiang-Ying Lee, Edroaldo Lummertz da Rocha, Cheng Zhang, Yi-Fen Lu, Dandan Li, Yuxiong Feng, Jideofor Ezike, Russell R Elmes, M Inmaculada Barrasa, Patrick Cahan, Hu Li, George Q Daley, Harvey F Lodish
Burst-forming unit erythroid progenitors (BFU-Es) are so named based on their ability to generate in methylcellulose culture large colonies of erythroid cells that consist of "bursts" of smaller erythroid colonies derived from the later colony-forming unit erythroid progenitor erythropoietin (Epo)-dependent progenitors. "Early" BFU-E cells forming large BFU-E colonies presumably have higher capacities for self-renewal than do "late" BFU-Es forming small colonies, but the mechanism underlying this heterogeneity remains unknown...
December 8, 2016: Blood
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